The results indicated that: (1) The Ch1 content in hulls increased until 90% space in hull was occapied by ovary, subsequently decreased, the change tendency of the photosynthesis rate of hull was the same.

• 结果表明，在水稻结实过程中，谷壳中叶绿素含量随着谷粒充实程度的提高而不断增加，在谷壳内空 间被充满90%25左右时达到最大值，然后下降；